Vertical transmission of hepatitis B virus (HBV) can occur occasionally despite vaccination of the child.
Vertical transmission of hepatitis B virus (HBV) can occur occasionally despite vaccination of the child.
乙型肝炎病毒的垂直传播可能偶发于接种了乙肝疫苗的孩子中。
Vertical transmission of hepatitis B virus (HBV) can occur occasionally despite vaccination of the child.
乙型肝炎病毒的垂直传播可能偶发于接种了乙肝疫苗的孩子中。